Parts Diagram | ## | Part # | Description | Qty | Notes |
| 1 | 0389682 | Cylinder & crankcase assembly | 1 | |
2 | 0314951 | Screw, cylinder. to crankcase | 8 | |
3 | 0304067 | Plug, large | 1 | |
4 | 0307588 | Plug, small | 1 | |
5 | 0322831 | Screw, center | 2 | |
6 | 0323522 | Water deflector | 1 | |
7 | 0328158 | Tube, crankcase drain | 1 | |
8 | 0300402 | Taper pin | 1 | |
9 | 0328159 | Tube, crankcase drain | 1 | |
10 | 0314951 | Screw, mfld. to crankcase | 4 | |
11 | 0391309 | Cylinder head | 1 | |
12 | 0326953 | Gasket, cylinder head | 1 | |
13 | 0307471 | Screw, cylinder head & fuel tank. models with integral fuel tank only | 4 | |
14 | 0320107 | Tie strap, pulse hose. models with integral fuel tank only | 2 | |
15 | 0324570 | Mounting bracket, fuel tank, upper. models with integral fuel tank only | 1 | |
16 | 0302750 | Screw, cover plate | 8 | |
17 | 0386941 | Spark plug, Champion L77J4. we recommend Champion & ac spark plugs | 2 | |
17 | 0386939 | Spark plug, ac M40Ffx. we recommend Champion & ac spark plugs | 2 | |
17 | 0387633 | Spark plug, Champion QL77J4. we recommend Champion & ac spark plugs | 2 | |
18 | 0323263 | Plate, exhaust cover | 1 | |
19 | 0323445 | Gasket, cover plate | 1 | |
20 | 0324571 | Mounting bracket, fuel tank, lower. models with integral fuel tank only | 1 | |
21 | 0326544 | Nipple, pulse hose to cylinder. models with integral fuel tank only | 1 | |
22 | 0325881 | Pulse hose. models with integral fuel tank only | 1 | |
23 | 0323446 | Gasket, plate to crankcase | 1 | |
24 | 0314951 | Screw, cylinder head | | |
25 | 0302750 | Screw, ground | 1 | |
26 | 0388941 | Manifold, intake | 1 | |
27 | 0323444 | Gasket, manifold | 1 | |
0388653 | 0388653 | Leaf plate assembly. not shown | 1 | |
28 | 0303764 | Screw, leaf to plate | 4 | |
29 | 0314915 | Leaf valve | 2 | |
30 | 0323485 | Plate, leaf back-up | 2 | |
31 | 0385111 | Check valve | 2 | |
32 | 0322927 | Leaf plate | 2 | |
33 | 0305344 | Screen | 1 | |
34 | 0303701 | Lock washer, ground lead | 1 | |
35 | 0389554 | Powerhead gasket set | 1 | |